Question

Rezolvati ecuatiile si inecuatiile date in multimea Z :

1) 5(x-2) + 6x = 8x+11|
2) 5 (x+3) + 20= 5 (x+11) - 2 (x+9)
3) 5 (x+2) - 4x + 3 = -3 (x+1)
4) 4 [3(x+1) - x +7]- 29 < 5[4(x+2) - -3 (x+1)] +1

Answer 1

....................................................